Coil winding machine: compact and with the highest precision

We develop and build coil winding machines (Calotron® system), which are in international demand mainly because of their compactness, high performance and reliability – in electrical engineering especially in transformer and choke construction.

Our coil winding machines in detail

Performance features

infinitely variable drive
SPS Simatic S7 control
hydraulic cold pressure welding device
winding shaft with flange
deflection rollers
pneumatic or hydraulic brakes
pneumatic mandrel for insulation
pressure roller to winding mandrel
automatic 0-positioning
Counter bearing*
Hold-down device (optional for BWM 150 and 250)*

* Standard from BWM 400 SPS

Options

separate unwinder
customer specific wishes
support with the dimensioning of coil windings

Technical specifications

Bandwidth	150-600 mm
Band thickness (at max. bandwidth)	max. 0.5-2.4 mm
Band thickness AL	max. 1.5-3.0 mm
Band thickness CU	max. 1.0-2.5 mm
Band cross-section	max. 75-1200 mm²
Connection thickness	max. 3-14 mm
Coil diameter	max. 200-550 mm
Band tension (N)	max. 750-12000 mm
Winding speed (rpm)	3-14 mm
Accuracy (band length measurement)	0.5 mm
Insulation sheath diameter (clamping range)	75-81 mm